The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 26, 2005
Filed:
Jan. 05, 2004
Jack Lin, Taipei, TW;
Jack Lin, Taipei, TW;
Other;
Abstract
A power supply structure of an electromotive tool comprises a body and a transformer. The body comprises a clamp at one end of the body; and an electromotive motor for driving the clamp to rotate; a control button installed at one lateral side of the body for controlling the electromotive motor; a battery seat being installed at another end of the body; the battery seat containing a battery and a control circuit; the control circuit having an inserting hole; an over current protection device of a charging circuit; and a switch; a transformer inserting into the inserting hole. By switching the switch of the control circuit to select an external power supply and a battery power supply. The control circuit serves for actuating the electromotive motor and charging the battery and the over current protection device serves to monitor the charging current so as to protect the battery.